Van Cleef & Arpels’ Midnight Jour Nuit Phase de Lune: a larger, mechanical take on Jour Nuit

Van Cleef & Arpels presented the Midnight Jour Nuit Phase de Lune at Watches and Wonders Geneva. It extends the maison's Jour Nuit family with a larger, 42mm Midnight case in rhodium‑plated white gold, curved lugs and a cleaner, less gem-heavy look than previous references.

The watch merges two rotating discs. The first is a 24‑hour disc that recreates the Jour Nuit signature: sun and moon motifs rise and set behind a guilloché mother‑of‑pearl cap with a gentle gradient to suggest the horizon. The second disc is a moonphase indicator designed to track the moon's 29.5‑day cycle. That moon disc completes one revolution in 24 hours, 16 minutes and 27 seconds.

A dedicated pusher at 8 o'clock triggers an on‑demand animation. When pressed, the dial spins one full revolution over 10 seconds to reveal the current lunar phase. Achieving this required reducing the mass of both rotating discs to limit friction so the quick spin could run smoothly.

The calibre is a self‑winding mechanical movement developed and assembled by Les Ateliers Horlogers Van Cleef & Arpels. The crown handles time setting and moonphase adjustment. The movement took four years of development to combine the 24‑hour day/night disc and the moonphase disc so they work in harmony.

The caseback carries a white‑gold engraving that evokes the moon's plains, trenches and craters. Under the sapphire crystal the oscillating weight rotates above enamel‑traced Earth and tiny painted planets that orbit visually with the rotor's motion.

Jour Nuit was first launched in 2008 and updated in 2024. Historically the series emphasized poetic, gem‑set executions in smaller diameters. The Midnight Jour Nuit Phase de Lune's 42mm size and subdued finish signal a deliberate shift toward a mechanically expressive, less jewelled presentation within the Poetic Complications collection.

The notable technical feat is harmonizing two rotating discs with an on‑demand animation while keeping friction low enough for a quick, reliable spin. The maison spent four years developing the movement to accomplish that. The result is a visually kinetic watch that combines a 24‑hour day/night display with a true moonphase that you can reveal instantly.

Collectors who value mechanical novelty within a lyric, celestial theme will find this model relevant. It targets buyers who appreciate handcrafted finishing and poetic complications but prefer a larger, more restrained case than the brand's more ornate dress pieces.

This description is based on coverage published around Watches and Wonders Geneva and appeared as part of the World of Watches (WOW) coverage in Autumn 2026.